David Pogue, on the first over-the-air software update for the Kindle Fire:

Sure enough: the home screen “carousel,” a rotating shelf that
holds all of your books, magazines and movies, now stops on a dime
when you want it to. It takes only one tap to open something
instead of several frustrating ones. When you do tap something, it
opens faster and more fluidly. Page turns are smoother, especially
in magazines.